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(a) A section of road has a free flow speed of 55km/h and a jam density of 367 vehicles per kilometre. Assuming under a linear speed-density relationship, calculate the density at maximum flow, the maximum flow rate and the speed at maximum flow.
(b) A roadway has an average hourly traffic volume of 360 veh/h. Assuming that the arrival of vehicles is Poisson distributed, estimate the probabilities of having 0, 1, 2, 3, 4 and 5 or more vehicles arriving over a 20 second time interval. Determine the probability that the gap between successive vehicles will be less than 8 seconds.
(c) Consider the following traffic situation for an intersection. Minor road vehicles at a STOP sign need a 6 seconds gap from the major road traffic to cross the road. If the major road traffic volume is 450 veh/h, estimate the percentage of vehicles from the minor road that could make a successful crossing without being delayed. If the minor road vehicles have a follow-up time of 2 seconds, determine the maximum number of minor road vehicles that could cross the major road during one hour.
Blow Holes (i) Excessive moisture in the moulding sand. (ii) Low permeability and excessive fine grain sands. (iii
hardness of bore well water is less than sea water
oilcois building a refinery to procduce four products diesel, gasoline
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what are the most short forms given to materials in plumbing
http://www.cramster.com/answers-apr-12/mechanical-engineering/engineering-mechanics-static_2386217.aspx?rec=0
Aviation legislation - Certificate of Design: During the construction, the manufacturer has to provide the C.A.A. with a Certificate of Design and also a Type Record for th
half wave rectifier
What is the energy related CO 2 emissions per capita and per $1,000 of GDP? Add the point representing Florida on the Energy CO 2 intensity graph in Appendix. How does it
Ten Principles of Engineering Economic Analysis 1. Money has a time value. 2. Make investments that are economically justified. 3. Choose the mutually exclusive investment alt
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